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07 Jul 2008, 05:48 pm
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Bosch Plugs?
Getting ready for a spark plug change for my 02 Touring PT. Looking at the Bosch platinum plugs. Any difference between the platinum+2 and the platinum+4? What do you guys prefer?
    
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07 Jul 2008, 05:54 pm
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Re: Bosch Plugs?
I'm using Bosch dbl plats in my wife's '04 na PT. I decided to see how long they would last. After 65k miles I decided to change them even though the car was still running great. Yep, put Bosch dbl plats back in again. I'm sold on them.
Word of caution: Do not use platinum plugs in the turbo model. Because the turbo runs hotter they will melt. 
__________________
\'05 Stone White SRT4 \'04 Graphite PT Automatic
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08 Jul 2008, 08:11 am
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Re: Bosch Plugs?
welcome.
Is the + 4 the one with 4 electrodes? I don't buy the premise of that. Spark will find which one is closest and use that one only. How would you gap them? Gap should be 0.040 (a TSB reduced it from 0.050 in manual).
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\'05 Limited Turbo Lite, (Silver, of course)4-wheel ABS, Sunroof, Spoiler, E&G Classic grill, K&N FIPK, BTG duals, rear lowered 1.5\", LED washer lights, $20 catch can, Aoogah horn, Weatherflectors, Sunroof Deflector, Fuzzy Dice, rear logo flames, rear pinstripe graphic, Gen3 Taillights, rear sway bar, hood struts, Strut bar. Traded in \'02 Silver Touring Edition w/87,000 miles
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08 Jul 2008, 12:34 pm
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Re: Bosch Plugs?
Bosch dbl plats come pregapped.
__________________
\'05 Stone White SRT4 \'04 Graphite PT Automatic
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